GRB

AJAX progress indicator
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  • v

  • Visual Hierarchy
    Based on Gestalt Psychological theory, it is the presentation of visual elements to give importance to specific features, influencing the human perception of visual elements.
  • Visual Variables
    Differences in elements visible to the human eye. Type: 1) Size 2) Shape 3) Brightness 4) Colour 5) Texture/Grain 6) Hue 7) Saturation 8) Orientation 9) Spacing 10) Position 11) Arrangement
  • VLBI
    Very Long Baseline Interferometry
  • VMG
    Velocity-Made-Good
  • Voronoi Polygon
    Method for analysis of neighbourhood, ensures unsampled points of a polygon is closer to the polygon's known point than other points.
  • Voronoi Polygons
    A polygon inside consists of all points in the plane which are closer to a particular lattice point than to others,
  • Voxel
    3D pixel, its position is no defined by coordinates but in relation to other voxels.
  • VR
    Virtual Reality
  • VRML
    Virtual Reality Modelling Language
  • w

  • W Code
    Encryption sequence modulated with P Code.
  • WAAS
    Wide Area Augmentation System
  • WADGPS
    Wide Area Differential Global Positioning System
  • WAN
    Wide Area Network
  • Water Cycle
    Process of how water circulates on Earth between the oceans, atmosphere and land.
  • Water Leak Detection
    Detection of water leakage in pipe.
  • Water Table
    Subjected to rainfall, it is the level of water beneath that is saturated with water.
  • Waterfall Model
    System Life Cycle management technique, a linear approach to managing the development and implementation of an IT solution.
  • Watershed
    Area of land where all surrounding water drains into.
  • Wave Interference
    Wave Property. Where two or more wave combine to reinforce or cancel each other; the amplitude of the resulting wave is equal to the sum of the amplitudes of the combining waves.
  • Wave Modulation
    Where characteristics of a carrier wave is varied or selected according to another wave.
  • Wave Reflection
    Wave Property. Change in wave direction when waves strike a surface.
  • Wavelength
    Wave Property. Distance between two points of a repeating wave.
  • Wavelet
    Radiated short-pulse shapes.
  • Waypoint
    Coordinate of an intermediate point which must be passed on the way towards the desired destination.
  • WCS Protocol
    Web Catalogue Services Protocol
  • Weathering
    Wear and/or change of appearance/texture of objects under prolonged exposure in the atmosphere.
  • Web Services Definition Language
    XML based language for describing network services.
  • Weighted Linear Combination
    Method for computing index value for raster-/vector-based models, through evaluation of the importance of criterion/factors with the standardization of data.
  • Weighted Matrix
    A weighing matrix of order n, for example, and weight w.
  • Weir
    Low dam that can regulate flow of liquid and/or raise water levels.
  • Well Log
    See description on Borehole Log.
  • WFS Protocol
    Web Feature Services Protocol
  • WGS84
    World Geodetic System of 1984
  • White Noise
    Random (noise) signal containing many frequecies in equal intensities.
  • Whole-Circle Bearing
    Type of Bearing, defined by the clockwise angle from 0ᵒ to 360ᵒ between direction of North to Point of Interest
  • Wholly Satisfactory
    It fully meets the intended subject learning outcomes.
  • Wide Area Differential Global Positioning System
    When a network of base stations, distributed over larger area, is used.
  • Wide Laning
    Technique for reducing the impact of Phase Ambiguity, where Carrier Phase measurements from both GPS frequencies (L1, L2) are combined, it has the frequency of 347.82MHz and is slower but longer (wavelengths) than the original carriers.
  • Within
    In or into the interior or inner part
  • WLD
    Water Leak Detection
  • WMS Protocol
    Web Mapping Services Protocol
  • Working knowledge
    Knowledge found in practice of ideas and concept throughout studies, which can be used practically.
  • WSDL
    Web Services Definition Language
  • WYSIWYG
    What You See Is What You Get
  • x

  • X-Band
    Part of the Microwave Radio region, the frequency rangs is indefinitely set at approximately 7GHz - 11GHz, mainly used for communication engineering.
  • XML
    EXtensible Markup Language
  • XTE
    Crosstrack Error
  • y

  • Y Code
    With anti-spoofing module, it is generated from W Code.
  • Yaw
    Rotation on Z-axis.
  • z

  • Z Score
    Measure of spread of values from their respective mean expressed in units of standard deviation.